Yesterday (March 30) in New York the music mogul brought Alicia Keys, Beyoncé, Kanye West, Deadmau5, Madonna, Nicki Minaj, Rihanna, Daft Punk, Jack White, Jason Aldean, J. Cole and Usher together to launch Tidal. Tidal is an artiste owned streaming service recently acquired by Jay as part of a $56 million deal.

The artistes at the launch (plus Coldplay’s Chris Martin and Calvin Harris) are minority co owners.

And while her day started with her shooting a music video, her Roc Nation label made sure the star ended it with a bang by throwing a surprise bash in her honour which was attended by A listers like Beyonce, Jay Z, Naomi Campbell, Russell Simmons, Queen Latifah, Tyrese, Lee Daniels, Paris Hilton & Nicki Hilton.

Her rumoured new man Leonardo DiCaprio wasn’t there and neither were the Kardashians in case you were wondering.

But there was a lot of star power, champagne, cake and high fashion!

To honor her mother, Riri took to her Instagram page to share the significance of her 27th birthday.

See what she wrote and check out all the star studded pics after the jump

Last week we revealed to you that Rihanna and A list actor Leonardo DiCaprio were an item briefly. He had reportedly dumped Rih for a woman more his type – a Victoria’s Secret model…Leo is a serial modelizer ( a man who only dates models) [READ HERE IF YOU MISSED IT]

But it appears things are now back on because Riri & Leo spent Valentine’s Day Weekend together in New York.

Grey hair signifies a sign associated with aging that most women are not comfortable with, once a gray hair pops up, women go into panic and rush to quickly cover it up. But the silvery look has become the hot new hair trend among young fashionstas!

The look was first spotted on singer Kelis in 2010 but it really blasted off when Rihanna rocked the look late last year. Since then we have spotted the look on a few of our home-grown fashionistas from designer Yvonne Nwosu to TV presenter Bolanle Olukanni.

Rihanna just shut it down on the red carpet last night (Dec. 11) at the Inaugural Diamond Ball, a charity ball which benefits the singer’s Clara Lionel Foundation. Rih started the foundation in 2012 and they aim is to improve the quality of life for communities globally in the areas of health, education, arts, and culture.

The swanky event took place at The Vineyard in Beverly Hills, California and Princess Rih shut down the red carpet in a stunning off shoulder pink satin Zac Posen gown, which she teamed with Chopard diamonds.

Also in attendance was Kim Kardashian who flashed cleavage & legs in a Balenciaga bodysuit worn underneath a sparkly mesh dress by Alexander Wang, she threw a long black coat over it and paired it with black strappy sandals.

While you were sleeping social media exploded after Chris Brown shared with the world that his girlfriend or is she now his ex? Karrueche Tran cheated on him with Drake! WHATTTTTTTTTT?

He also went on to reveal that him and Kelechi Karrueche had an arrangement! She would participate in 3somes with him and he would elevate her status in life, but she didn’t keep to her side of the arrangement so she had to go. He did say, “These hoes ain’t loyal”